Tecno Buds 4

Active Noise Cancellation (ANC) Transparency mode (hear surroundings) 10mm dynamic drivers (deep bass & clear sound) Bluetooth 5.3 / 5.4 connectivity Up to 7 hours playtime (earbuds) Up to 28–37 hours total with case USB-C fast charging Dual mic with ENC (clear calls) IPX4 / IPX5 water & sweat resistance Touch controls (music, calls, voice assistant) Low latency / gaming mode 10m wireless range 500mAh charging case Custom EQ via Welife app